| Norwegian Int. | 2019/11/08 16:30 | Thoegersen, M. v Lin, Yu Hsien | L | 0-2 |
| Norwegian Int. | 2019/11/08 11:20 | Thoegersen, M. v Gergo Pytel | W | 2-0 |
| Hungarian Int. | 2019/11/01 09:40 | Thoegersen, M. v Messerschmidt, Rasmus | L | 1-2 |
| Hungarian Int. | 2019/10/31 14:40 | Thoegersen, M. v Mendrek, Adam | W | 2-1 |
| Hungarian Int. Qual | 2019/10/30 16:40 | Thoegersen, M. v Rikheim, Vegard | W | 2-0 |
| Hungarian Int. Qual | 2019/10/30 13:55 | Julien Scheiwiller v Thoegersen, M. | W | 0-2 |
| Polish Int. | 2019/09/21 16:10 | Thoegersen, M. v Ditlev Jaeger Holm | L | 1-2 |
| Polish Int. | 2019/09/21 09:10 | Thoegersen, M. v Hjelm, Albin Carl | W | 2-0 |
| Estonie Int. - | 2020/01/10 15:00 | Takuma Obayashi v Su, L. Y. | L | 2-0 |
| Estonie Int. - | 2020/01/10 09:10 | Su, L. Y. v Messerschmidt, Rasmus | W | 2-0 |
| Estonie Int. - Qualif. | 2020/01/09 16:00 | Su, L. Y. v Resch, Lukas | W | 2-0 |
| Estonie Int. - Qualif. | 2020/01/09 12:30 | Bruno Carvalho v Su, L. Y. | W | 0-2 |
| Estonie Int. - Qualif. | 2020/01/09 08:00 | Su, L. Y. v Laa, Talar | W | 2-0 |
| Vietnam Open Qual | 2019/09/10 02:50 | Yadav Chittaboina, Rahul v Su, L. Y. | L | 2-0 |
| Chinese Taipei Open 2019, MS, Qualification | 2019/09/03 02:00 | Su, L. Y. v Chun-Yi Lin | L | 1-2 |
| China Masters | 2019/03/13 14:00 | Kim, Donghun (1993) v Su, L. Y. | L | 2-1 |